Crash helmet



FIG. 1 is a perspective view of a crash helmet;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The chin strap is removed in FIG. 6.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a crash helmet, as shown and described. 